Here is the full list of all 39 STAR WARS Jedi: Fallen Order achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Have a fully grown terrarium
Defeat 25 enemies while they are under the effect of Empowered Slow
Collect all chests and secrets
Complete all of BD-1's holomaps
Find all of BD-1's stim canisters
Explore the crashed Venator
Unlock all Jedi skills
Defeat an enemy with their own Slowed blaster bolt
Kick a phillak that has kicked you
Defeat an enemy using only kicks
Precision Evade 100 attacks
Defeat 3 enemies using a single lightsaber throw
Discover 75 Force Echoes
Defeat an enemy with a hacked droid
Complete the story
Scan all enemy types
Defeat 20 enemies with explosives
Open the Vault
Slice an oggdo's tongue
Find all of BD-1's encrypted logs
Recruit all possible crew members for the Mantis
Defeat a former Jedi Master
Hit a single enemy with all lightsaber types
Defeat each type of Bounty Hunter
Craft a lightsaber of your own
Defeat four mysterious creatures
Defeat the winged terror on Dathomir
Send 25 enemies over the edge
Defeat the Ninth Sister
Complete the Tomb of Miktrull
Parry 100 enemies
Free the Wookiees from Imperial imprisonment
Defeat an enemy by colliding them with another enemy
Defeat 50 enemies with reflected blaster bolts
Complete the Tomb of Eilram
Customize the look of Cal, BD-1, and the Mantis
Discover the Bogano Vault
Fully customize your lightsaber
Join the crew